Mass consumption in the eternal quest for what is cool, distinct, difficult to acquire, or just plain ugly. Hipsters engage in hipsterism by shopping at the most trendy places, always looking for the most unique items. Everything, from the type of clothes worn to what you eat is a status symbol to the hipsterist.

Darren's hipsterism had run rampant by the time he bought his 7th vintage BMW motorcycle.

Ironic Nostalgia; the creed that "everything old and belonging to an era is cool (besides anything too old, like classical music), but only when worn/eaten/done in an ironic fashion." Basically: ironic nostalgia.

Kurt practiced extreme hipsterism on Tuesday; pairing some ancient converse all-stars with an 80's watch, an obscure 60's band tee, and acid-washed jeans, he glared at all of us "preps" through tortoiseshell lenseless glasses.